package com.xingkong.coolweather.db;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

/**
 * Created by cuiguangfan on 2015/10/21.
 */
public class CoolWeatherOpenHelper extends SQLiteOpenHelper{
    public static final String CREATE_PROVINCE="create table Province ("
            +"id integer primary key autoincrement,"
            +"province_name text)";
    public static final String CREATE_CITY="create table City ("
            +"id integer primary key autoincrement,"
            +"city_name text,"
            +"province_id integer)";
    public static  final String CREATE_COUNTY="create table County ("
            +"id integer primary key autoincrement,"
            +"county_name text,"
            +"city_id integer)";
    public CoolWeatherOpenHelper(Context context,String name,SQLiteDatabase.CursorFactory factory,int version){
        super(context, name, factory, version);
    }
    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL(CREATE_PROVINCE);
        db.execSQL(CREATE_CITY);
        db.execSQL(CREATE_COUNTY);
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }
}
